Cheapest return flights from Mexico City to Buenos Aires in September from $673

Best time to book flights for Mexico City (MEX) to Buenos Aires (EZE) flights at AirHint

AirHint found the following cheapest return flights from Mexico City (MEX) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

02 Sep - 26 Sep LATAM Airlines Group
01 Sep - 30 Sep LATAM Airlines Group
18 Sep - 22 Sep Arajet
01 Sep - 08 Sep LATAM Airlines Group
05 Sep - 19 Sep LATAM Airlines Group
19 Sep - 26 Sep LATAM Airlines Group
08 Sep - 26 Sep LATAM Airlines Group
20 Sep - 30 Sep LATAM Airlines Group
01 Sep - 10 Sep LATAM Airlines Group
18 Sep - 26 Sep LATAM Airlines Group
19 Sep - 05 Oct LATAM Airlines Group
29 Sep - 13 Oct LATAM Airlines Group
25 Sep - 03 Oct LATAM Airlines Group
25 Sep - 02 Oct Copa
28 Sep - 05 Oct Copa
29 Sep - 09 Oct Copa
29 Sep - 04 Oct Copa
25 Sep - 02 Oct Aeromexico direct
19 Sep - 05 Oct Aeromexico direct
29 Sep - 13 Oct Aeromexico direct

Also check the deals for one-way flights from Mexico City to Buenos Aires in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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